Thirty-two-year-old Mara has spent her career preserving other people’s family stories, all while knowing her own began in secrecy, she was conceived through an anonymous sperm donor. When a new genetic disclosure law grants her access to her biological father’s identity, she uncovers a shocking truth: he is Edmund Wainwright, a celebrated politician famed for his quiet integrity and spotless legacy. But when Edmund invites her into his sprawling estate to “help organize his archives,” Mara discovers files on dozens of his other donor children, and learns that some have mysteriously disappeared. As she delves deeper, she realizes Edmund isn’t preserving history; he’s rewriting it. The Donor’s Daughter is a chilling literary thriller about legacy, control, and the dangerous illusion of a perfect family.